<template>
  <view>
    <view class="category_tab">
      <view class="category_tab_title">
        <view class="title_inner">
          <uni-segmented-control
            :current="current"
            :values="items.map(v => v.title)"
            @clickItem="onClickItem"
            style-type="text"
            active-color="#d4237a"
          ></uni-segmented-control>
        </view>
        <view class="iconfont iconsearch"></view>
      </view>
      <scroll-view enable-flex scroll-y class="category_tab_content" @scrolltolower="handleScrolltolower">
        <view class="cate_item" v-for="item in vertical" :key="item.id">
          <image mode="widthFix" :src="item.thumb"></image>
        </view>
      </scroll-view>
    </view>
  </view>
</template>

<script>
import { uniSegmentedControl } from '@dcloudio/uni-ui'
export default {
  components: {
    uniSegmentedControl
  },
  data() {
    return {
      items: [
        {
          title: '最新',
          order: 'new'
        },
        {
          title: '热门',
          order: 'hot'
        }
      ],
      current: 0,
      params: {
        limit: 30,
        skip: 0,
        order: 'new'
      },
      id: 0,
      vertical: [],
      hasMore: true
    }
  },
  onLoad(options) {
    this.id = options.id
    this.getList()
  },
  methods: {
    onClickItem(e) {
      if (this.current !== e.currentIndex) {
        this.current = e.currentIndex
        this.params.order = this.items[e.currentIndex].order
        this.params.skip = 0
        this.vertical = []
        this.getList()
      }
    },
    getList() {
      this.request({
        url: `image/v1/vertical/category/${this.id}/vertical`,
        data: this.params
      }).then(res => {
        console.log(res)
        if(res.res.vertical.length === 0) {
          this.hasMore = false
          uni.showToast({
            title: '没有更多数据了',
            icon: 'none'
          })
          return
        }
        this.vertical = [...this.vertical, ...res.res.vertical]
      })
    },
    handleScrolltolower() {
      if(this.hasMore) {
        this.params.skip += this.params.limit
        this.getList()
      }else {
        uni.showToast({
          title: '没有更多数据了',
          icon: 'none'
        })
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.category_tab {
  .category_tab_title {
    position: relative;

    .title_inner {
      width: 60%;
      margin: 0 auto;
    }

    .iconsearch {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      right: 5%;
    }
  }

  .category_tab_content {
    height: calc(100vh - 36px);
    display: flex;
    flex-wrap: wrap;
    .cate_item {
      width: 33.33%;
      border: 5rpx solid #fff;
      image {}
    }
  }
}
</style>
